Second of two parts. Part one appeared on Tuesday.As explained Tuesday in the first installment of this two-part column, the courts created the “test the waters” doctrine to prevent abuse of the pre-1993 substitution-of-judge statute, which required a party seeking substitution to allege a fear of judicial prejudice but not to prove that fear. The doctrine allowed a judge to deny substitution — even if the statutory requirements were met — if the moving party had an opportunity to test the waters …